In most instances, the size and shape of an organism dictate whether it will be warm-blooded or cold-blooded. Think about some large animals—elephants, whales, and walruses. Their volume is so large ...

Warm cooked potatoes, hot juice and even a simple cwtch - or cuddle - are some of the approaches being used to keep animals warm at a Welsh zoo. As temperatures drop, people are wrapping up in ...